1. 3 gears of adjustable vibration massage intensity, Users can adjust the intensity of vibration massage according to their needs. 2. Automatic timing intelligent frequency conversion, the massager automatically stop massaging after 15 minutes of use, so you don't have to worry about falling asleep during use. 3. Automatic switching of five modes, multi technique cyclic hot compress massage, Tomalin lining fabric and magnet effect promotes blood circulation and unclogs breast meridians. 4. Hot compress during special periods, In the shutdown state, press and hold the hot compress button for 2 seconds, intelligent temperature control, constant heat cycle, warm care for breasts. 5. Wireless use, equipped with a large capacity 1200mAh built-in battery, can be used for 2.5-3 hours on a full charge. Gear : 3 gears adjustable vibration massage intensity Hot compress temperature : Adjustable hot compress temperature around 40 , 42 , 45 . Power supply mode : USB charging for use Battery Capacity : 3.7V 1200mAh Charging Time : Approximately 4-5 hours to fully charge. Usage duration: One click power on, recommended to use 1-2 times a day, each time not exceeding 15 minutes, fully and can be used for 2.5-3 hours Charging status: red light during charging, green light when fully . Non detachable shoulder strap length: 50cm Colour: Material:Soft PU leather + Tourmaline magnetic cloth Points for attention: 1. Cannot be turned on for use while charging; 2. Cannot be washed with water, can only be wiped with wet wipes. Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Breast Massager 1 * USB Cable 1 * English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.